An equilateral triangle, FGH, is folded as shown in the figure. Find
- ∠HGH
- ∠GHH.
(a)
∠GHH = 60° (Equilateral triangle FGH)
∠HGH
= 180° - 60° - 56° (Angles sum of triangle)
= 64°
(b)
∠GHH
= 180° - 56° - 56°
= 68° (Angles on a straight line)
Answer(s): (a) 64°; (b) 68°